{"id":3045,"date":"2018-02-12T17:02:17","date_gmt":"2018-02-12T17:02:17","guid":{"rendered":"http:\/\/nastec.eu\/en\/?page_id=3045"},"modified":"2025-02-14T15:15:19","modified_gmt":"2025-02-14T15:15:19","slug":"fonctionnement-a-pression-differentielle-constante","status":"publish","type":"page","link":"https:\/\/nastec.eu\/fr\/produits-pour-le-reseau-electrique\/vasco\/fonctionnement-a-pression-differentielle-constante\/","title":{"rendered":"Fonctionnement \u00e0 pression diff\u00e9rentielle constante"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-gdpx1h-082879db7afb3159410edf806a8bcb25\">\n.flex_column.av-gdpx1h-082879db7afb3159410edf806a8bcb25{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-gdpx1h-082879db7afb3159410edf806a8bcb25 av_one_half  avia-builder-el-0  el_before_av_one_fourth  avia-builder-el-first  first no_margin flex_column_div av-animated-generic bottom-to-top av-zero-column-padding  '     ><section  class='av_textblock_section av-dp7zb9-5b667d1246d31adf5824cdc2d53bcfde '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p class=\"p1\">VASCO &#8211; VAriable Speed COntroller, en plus d&rsquo;avoir d\u2019autres modes de contr\u00f4le prend en charge le fonctionnement \u00e0 pression diff\u00e9rentielle constante par l&rsquo;utilisation d&rsquo;un ou plusieurs capteurs de pression diff\u00e9rentielle ou de deux capteurs de pression situ\u00e9s respectivement sur le c\u00f4t\u00e9 aspiration et le c\u00f4t\u00e9 refoulement. La diff\u00e9rence est ex\u00e9cut\u00e9e par le dispositif \u00e0 partir des deux valeurs lues.<\/p>\n<p class=\"p3\">Cette solution permet de r\u00e9duire consid\u00e9rablement les co\u00fbts ainsi que d\u2019assurer la protection contre la cavitation (en d\u00e9finissant un seuil d\u2019alarme de pression minimale pour le capteur en aspiration) et contre les surpressions (en d\u00e9finissant un seuil d\u2019alarme de pression maximale pour le capteur en refoulement).<\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-c8w6yd-1a45a64f73a10976fbeb27af9d103958\">\n.flex_column.av-c8w6yd-1a45a64f73a10976fbeb27af9d103958{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-c8w6yd-1a45a64f73a10976fbeb27af9d103958 av_one_fourth  avia-builder-el-2  el_after_av_one_half  el_before_av_hr  no_margin flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-b5ldb9-649db4dc30f10db4c30ecc1ceb95d11f\">\n.avia-image-container.av-b5ldb9-649db4dc30f10db4c30ecc1ceb95d11f img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-b5ldb9-649db4dc30f10db4c30ecc1ceb95d11f .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-b5ldb9-649db4dc30f10db4c30ecc1ceb95d11f av-styling- avia-align-center  avia-builder-el-3  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-11532 avia-img-lazy-loading-not-11532 avia_image ' src=\"https:\/\/nastec.eu\/fr\/wp-content\/uploads\/2025\/02\/VASCO-illustrazione-10.jpg\" alt='' title='VASCO-illustrazione-10'  height=\"1323\" width=\"800\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/nastec.eu\/fr\/wp-content\/uploads\/2025\/02\/VASCO-illustrazione-10.jpg 800w, https:\/\/nastec.eu\/fr\/wp-content\/uploads\/2025\/02\/VASCO-illustrazione-10-181x300.jpg 181w, https:\/\/nastec.eu\/fr\/wp-content\/uploads\/2025\/02\/VASCO-illustrazione-10-623x1030.jpg 623w, https:\/\/nastec.eu\/fr\/wp-content\/uploads\/2025\/02\/VASCO-illustrazione-10-768x1270.jpg 768w, https:\/\/nastec.eu\/fr\/wp-content\/uploads\/2025\/02\/VASCO-illustrazione-10-426x705.jpg 426w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/div><\/div><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-96t579-aa561d1a0892eb63972e5378ec38330b\">\n#top .hr.av-96t579-aa561d1a0892eb63972e5378ec38330b{\nmargin-top:10px;\nmargin-bottom:10px;\n}\n.hr.av-96t579-aa561d1a0892eb63972e5378ec38330b .hr-inner{\nwidth:100%;\nborder-color:#ebebeb;\n}\n<\/style>\n<div  class='hr av-96t579-aa561d1a0892eb63972e5378ec38330b hr-custom  avia-builder-el-4  el_after_av_one_fourth  el_before_av_one_half  hr-left hr-icon-no'><span class='hr-inner inner-border-av-border-thin'><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/p>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-6t9dad-a6f90a8c0500a5f53f2b0ade06ca00e8\">\n.flex_column.av-6t9dad-a6f90a8c0500a5f53f2b0ade06ca00e8{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-6t9dad-a6f90a8c0500a5f53f2b0ade06ca00e8 av_one_half  avia-builder-el-5  el_after_av_hr  el_before_av_two_fifth  first no_margin flex_column_div av-animated-generic bottom-to-top av-zero-column-padding  '     ><section  class='av_textblock_section av-5qzmit-7e7b8d57993677b4fe26420515ef0c35 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p class=\"p1\">Le contr\u00f4le par pression diff\u00e9rentielle constante peut \u00eatre \u00e9tendu au fonctionnement en groupe, comme dans le cas des pompes jumel\u00e9es. Le syst\u00e8me COMBO garantit l\u2019alternance de fonctionnement des pompes pour uniformiser l\u2019usure et permettre les op\u00e9rations d\u2019entretien programm\u00e9es.<\/p>\n<p class=\"p1\">Dans les syst\u00e8mes se distinguant par des pertes de charge \u00e9lev\u00e9es, afin de maximiser les \u00e9conomies d\u2019\u00e9nergie, le dispositif permet d\u2019adopter, outre le contr\u00f4le par pression diff\u00e9rentielle constante, le contr\u00f4le par pression diff\u00e9rentielle proportionnelle.<\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4jy779-2d07652afb77bcf8c32990ccf0bb8c95\">\n.flex_column.av-4jy779-2d07652afb77bcf8c32990ccf0bb8c95{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-4jy779-2d07652afb77bcf8c32990ccf0bb8c95 av_two_fifth  avia-builder-el-7  el_after_av_one_half  avia-builder-el-last  no_margin flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-7ewtx-f34d716e31cb23cf399a18ca7da5bf24\">\n.avia-image-container.av-7ewtx-f34d716e31cb23cf399a18ca7da5bf24 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-7ewtx-f34d716e31cb23cf399a18ca7da5bf24 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-7ewtx-f34d716e31cb23cf399a18ca7da5bf24 av-styling- avia-align-center  avia-builder-el-8  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-7372 avia-img-lazy-loading-not-7372 avia_image ' src=\"https:\/\/nastec.eu\/fr\/wp-content\/uploads\/2018\/02\/VASCO-pressione-2-FR.jpg\" alt='' title='VASCO-pressione-2-FR'  height=\"918\" width=\"1200\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/nastec.eu\/fr\/wp-content\/uploads\/2018\/02\/VASCO-pressione-2-FR.jpg 1200w, https:\/\/nastec.eu\/fr\/wp-content\/uploads\/2018\/02\/VASCO-pressione-2-FR-300x230.jpg 300w, https:\/\/nastec.eu\/fr\/wp-content\/uploads\/2018\/02\/VASCO-pressione-2-FR-768x588.jpg 768w, https:\/\/nastec.eu\/fr\/wp-content\/uploads\/2018\/02\/VASCO-pressione-2-FR-1030x788.jpg 1030w, https:\/\/nastec.eu\/fr\/wp-content\/uploads\/2018\/02\/VASCO-pressione-2-FR-705x539.jpg 705w, https:\/\/nastec.eu\/fr\/wp-content\/uploads\/2018\/02\/VASCO-pressione-2-FR-450x344.jpg 450w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"parent":133,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[43],"tags":[44,126,9],"class_list":["post-3045","page","type-page","status-publish","hentry","category-focus-vasco","tag-focus-vasco","tag-pression-differentielle-constante","tag-vasco"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - 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